Megillah 28: What Is the Secret of Your Longevity?

Dedicated to the health and well-being of Yehudis bas Hinda, who, at 102, joins the rabbis of the daf with exceptional longevity (thank God). But what was the secret of each of these various rabbis' living to longevity? Each has a different reason (or several). Also, a new mishnah - including not making a shul into a shortcut. And how the sanctity of a synagogue remains even after the space is not being used as a synagogue any longer. Plus, making sure grass doesn't grow in a functioning shul.